How come the left brain doesn’t complain about the fact that it is no longer conscious of things on the left side of space? Imagine having your brain… - Michael S. Gazzaniga

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How come the left brain doesn’t complain about the fact that it is no longer conscious of things on the left side of space? Imagine having your brain disconnected. Imagine waking up in your hospital room the next morning and, as your surgeon walks in to see how you are faring, you only see the left half of her face. Don’t you think you would notice that the right half is not there? The thing is, you would not. In fact, your left hemisphere wouldn’t even be conscious of the fact that there is a left half of space. But this is the weird part: I spoke as if the new, split version of you were just your left hemisphere, and that is not true. You are also your right hemisphere. The new “yous” have two minds with two completely separate pools of perceptual and cognitive information. It is just that only one of the minds can readily speak. The other initially cannot. Perhaps, after many years, it will be able to produce a few words.

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About Michael S. Gazzaniga

Michael S. Gazzaniga (born December 12, 1939) is an American neuroscientist, author and professor of psychology at the University of California, Santa Barbara, where he heads the new SAGE Center for the Study of the Mind.

Biography information from Wikiquote

Also Known As

Native Name: Michael Steven Gazzaniga
Alternative Names: Gazzaniga, M.S. M. S. Gazzaniga Michael S Gazzaniga Gazzaniga, Michael S.
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Additional quotes by Michael S. Gazzaniga

According to Panksepp, seven primal emotional and motivational feelings that appear to be common features of animal and human consciousness at both a behavioral and a neural level are SEEKING, FEAR, RAGE, LUST, CARE, GRIEF, and PLAY.

When communication between the hemispheres is lost, each is unaware of the other’s knowledge and each functions independently based on the information it receives. Both sides of the brain try to complete the task independently, resulting in the tug-of-war. By this simple task, the illusion of a unified consciousness is exposed. Clearly, if consciousness arose from a single location, then a split-brain patient would be unable to have two simultaneous experiences!

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